package com.graduationpractice.dbot.tool;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class Filter implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        HttpSession session=request.getSession();
        System.out.println(request.getRequestURL());
        System.out.println(request.getPathInfo());
        //session.removeAttribute("check");
        if(session.getAttribute("check")==null)
        {
            session.setAttribute("errormsg","无法正常访问eee!");
            response.sendRedirect("404");
        }
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {

    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {

    }
}
